Home / 91,864,175.30-137,796,262.95-45,947,672.90

Finding the Fourth Proportional to 91,864,175.30, 137,796,262.95 and 45,947,672.90

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Solution

The fourth proportional to 91,864,175.30, 137,796,262.95 and 45,947,672.90 is: 68,921,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864,175.30 : 137,796,262.95 = 45,947,672.90 : x
  2. Step 2: Convert to fraction form
    91,864,175.30/137,796,262.95 = 45,947,672.90/x
  3. Step 3: Cross multiply
    91,864,175.30x = 137,796,262.95 × 45,947,672.90
  4. Step 4: Simplify right side
    91,864,175.30x = 6,331,417,616,868,988
  5. Step 5: Solve for x
    x = 6,331,417,616,868,988/91,864,175.30
  6. Step 6: Final answer
    x = 68,921,509.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.